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Nina [5.8K]
3 years ago
14

How do I do these picture included. I will give brainliest if correct answer

Mathematics
2 answers:
natima [27]3 years ago
6 0
<span>Copy past because before, for some reason, I couldn't finish my answer.

I can only solve Q5 because I don't know all the numbers for Q9. 

1. Take +5 and do the inverse operation, which would be -5. Therefore, subtract 5 by 83. 13x + (5 - 5) = 83 - 5 ⇒ 13x = 78

<span>2. Isolate x to find x. You do this by taking 13 and dividing it by itself and 78 (We divide it because originally, you had to multiply 13 by an unknown number. The opposite operation for multiplication is division.) 

(13/13)x = 78 ⇒ (1)x [note that 1x is just like saying x] = 6. Therefore 'x' is 6. 
3. Check your work by substituting x with 6 and see if it checks out. Solve the edited problem by PEMDAS.
13(6) + 5 = 83
78 + 5 = 83
83 = 83
It checks out.
6 being x is correct.</span><span>
</span></span>
Harlamova29_29 [7]3 years ago
3 0
(5.)
13x + 5 = 83
        -5     -5
13x =78
/13   /13
x = 6

(9.)
0.7 , 0.9 , 1.6 , 2.3 , 2.5

median = 1.6
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Where do you place the parentheses in the expression 4+3^2•5-2 to equal 31
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4+3^2•5-2

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Used PEMDAS:

P Parentheses first

E Exponents (ie Powers and Square Roots, etc.)

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3 years ago
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8 0
3 years ago
14 5 18 24 15 28 34 __
Volgvan
This sequence seems to apply -9, +13, +6 repeatedly.
So after the 34, the -9 has to be applied. The next number would be 25.
5 0
3 years ago
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